<template>
 <li>
          <label>
            <input type="checkbox" :checked="todo.done" @change="handleChange(todo.id,$event)" />
            <span>{{todo.title}}</span>
          </label>
          <button class="btn btn-danger" @click="handleDelete(todo.id)">删除</button>
        </li>
</template>

<script>
  export default {
    name:'Item',
  	props:['todo','deleteTodo','checkTodo'],
    data() {
			return {
				x:'wertyuio'
			}
		},
    methods: {
        //点击删除按钮回调
        handleDelete(id){
            if(confirm('你确定要删除这条记录吗？')){
                this.deleteTodo(id)
            }
        },
        //勾选一个todo回调
        handleChange(id,event){
            console.log(id,event.target.checked)
            this.checkTodo(id,event.target.checked)
        }
    },    
  }
</script>

<style scoped>
  /*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
li:hover{
    background-color: #ddd;
}
li:hover button{
    display: block;
}
</style>